[Discover] just ping - Online ping - Online web-based ping: remote ping a server or web site using our ... http://just-ping.com/
(ping tools tool monitoring) 
[Discover] VB: Server anpingen http://www.shadoware.de/vb/ping.html (basic visual ping)
[Discover] What's My IP Address? http://whatsmyip.org/ (ip whois dns address)
[Discover] Wbox HTTP testing tool http://hping.org/wbox/ (testing http tools webdev)
[Discover] Web-Based Remote Ping Tool | Wormly http://www.wormly.com/test_remote_ping (adm ping)
[Discover] Website monitoring by WatchMouse http://www.watchmouse.com/en/index.php (network utilities tools ping)
[Discover] Ping-o-Matic! http://pingomatic.com/ (tools ping traffic utilities)
[Discover] Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup http://network-tools.com/default.asp?prog=ping&host=www.infinitenine.com (ping)
[Discover] Blog and ping | Pingoat http://pingoat.com/ (useful tool traffic ping)
[Discover] VB: Server anpingen http://www.shadoware.de/vb/ping.html (basic visual ping)
[Discover] What's My IP Address? http://whatsmyip.org/ (ip whois dns address)
[Discover] Wbox HTTP testing tool http://hping.org/wbox/ (testing http tools webdev)
[Discover] Web-Based Remote Ping Tool | Wormly http://www.wormly.com/test_remote_ping (adm ping)
[Discover] Website monitoring by WatchMouse http://www.watchmouse.com/en/index.php (network utilities tools ping)
[Discover] Ping-o-Matic! http://pingomatic.com/ (tools ping traffic utilities)
[Discover] Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup http://network-tools.com/default.asp?prog=ping&host=www.infinitenine.com (ping)
[Discover] Blog and ping | Pingoat http://pingoat.com/ (useful tool traffic ping)